STATE OF WISCONSIN INVESTMENT BOARD

Position in ACGL — Arch Capital Group Ltd.

CIK 854157 MADISON, WI

Back to ACGL Full portfolio

Position in ACGL

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$17,975,803

-$2,710,521 QoQ

Shares Held

185,203

-14.1% QoQ

Ownership

0.054%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

#141

of 900 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in ACGL Over Time

Shares Held

Position Value (USD)

Position in Insurance - Diversified

Financial Services · as of Jun 30, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $879,954,456 across 6 Insurance - Diversified names. ACGL ranks #4 (2.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	BRK-B	Berkshire Hathaway Inc	748,280	$800,242,757
2	AIG	American International Group, Inc.	334,031	$24,895,330
3	HIG	Hartford Insurance Group, Inc.	153,375	$20,325,255
4	ACGL	Arch Capital Group Ltd. This page	185,203	$17,975,803
5	SLF	Sun Life Financial Inc	174,000	$13,645,080
6	PLGO	Pelagos Insurance Capital Ltd	117,874	$2,870,231

All Filings in ACGL

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$17,975,803	185,203	-14.1%	Shares	Sole	2026-08-14
2026-03-31	$20,686,324	215,505	-0.0%	Shares	Sole	2026-05-15
2025-12-31	$20,672,774	215,521	-1.9%	Shares	Sole	2026-02-17
2025-09-30	$19,931,566	219,680	-2.5%	Shares	Sole	2025-11-14
2025-06-30	$20,513,109	225,295	-4.2%	Shares	Sole	2025-08-14
2025-03-31	$22,621,632	235,201	+1.4%	Shares	Sole	2025-05-15
2024-12-31	$21,416,611	231,907	-6.2%	Shares	Sole	2025-02-14
2024-09-30	$27,668,819	247,308	-14.0%	Shares	Sole	2024-11-14
2024-06-30	$29,027,364	287,713	-5.1%	Shares	Sole	2024-08-14
2024-03-31	$28,028,177	303,204	+1.2%	Shares	Sole	2024-05-14
2023-12-31	$22,242,602	299,483	+23.1%	Shares	Sole	2024-02-12
2023-09-30	$19,390,174	243,259	-47.3%	Shares	Sole	2023-11-14
2023-06-30	$34,529,278	461,313	+2.4%	Shares	Sole	2023-08-14
2023-03-31	$30,574,824	450,491	+8.5%	Shares	Sole	2023-05-15
2022-12-31	$26,063,870	415,162	-0.0%	Shares	Sole	2023-02-14
2022-09-30	$18,908,891	415,215	-16.7%	Shares	Sole	2022-11-14
2022-06-30	$22,673,899	498,437	-5.8%	Shares	Sole	2022-08-15
2022-03-31	$25,607,885	528,870	-51.3%	Shares	Sole	2022-05-13
2021-12-31	$48,291,324	1,086,419	-4.2%	Shares	Sole	2022-02-11
2021-09-30	$43,307,688	1,134,303	+10.5%	Shares	Sole	2021-11-12
2021-06-30	$39,975,842	1,026,601	-4.1%	Shares	Sole	2021-08-12
2021-03-31	$41,073,742	1,070,465	+17.4%	Shares	Sole	2021-05-17
2020-12-31	$32,892,990	911,921	+59.5%	Shares	Sole	2021-02-03
2020-09-30	$16,718,978	571,589	+0.2%	Shares	Sole	2020-11-16
2020-06-30	$16,349,666	570,669	+17.2%	Shares	Sole	2020-08-12
2020-03-31	$13,853,047	486,755	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.